EmptyContentSecurityPolicy::addReportTo() - Code Metrics - Inspection of "Merge pull request #11914 from nextcloud/csp/repor..." - nextcloud/server - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ae94c5...39338a )

by Morris

created 2018-10-23 14:42 UTC

EmptyContentSecurityPolicy::addReportTo() A

↳ Parent: EmptyContentSecurityPolicy

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
nc	1
nop	1
dl	0
loc	4
rs	10
c	0
b	0
f	0

<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Lukas Reschke <[email protected]>
 * @author Pierre Rudloff <[email protected]>
 * @author Roeland Jago Douma <[email protected]>
 * @author Thomas Citharel <[email protected]>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCP\AppFramework\Http;

/**
 * Class EmptyContentSecurityPolicy is a simple helper which allows applications
 * to modify the Content-Security-Policy sent by ownCloud. Per default the policy
 * is forbidding everything.
 *
 * As alternative with sane exemptions look at ContentSecurityPolicy
 *
 * @see \OCP\AppFramework\Http\ContentSecurityPolicy
 * @package OCP\AppFramework\Http
 * @since 9.0.0
 */
class EmptyContentSecurityPolicy {
	/** @var bool Whether inline JS snippets are allowed */
	protected $inlineScriptAllowed = null;
	/** @var string Whether JS nonces should be used */
	protected $useJsNonce = null;
	/**
	 * @var bool Whether eval in JS scripts is allowed
	 * TODO: Disallow per default
	 * @link https://github.com/owncloud/core/issues/11925
	 */
	protected $evalScriptAllowed = null;
	/** @var array Domains from which scripts can get loaded */
	protected $allowedScriptDomains = null;
	/**
	 * @var bool Whether inline CSS is allowed
	 * TODO: Disallow per default
	 * @link https://github.com/owncloud/core/issues/13458
	 */
	protected $inlineStyleAllowed = null;
	/** @var array Domains from which CSS can get loaded */
	protected $allowedStyleDomains = null;
	/** @var array Domains from which images can get loaded */
	protected $allowedImageDomains = null;
	/** @var array Domains to which connections can be done */
	protected $allowedConnectDomains = null;
	/** @var array Domains from which media elements can be loaded */
	protected $allowedMediaDomains = null;
	/** @var array Domains from which object elements can be loaded */
	protected $allowedObjectDomains = null;
	/** @var array Domains from which iframes can be loaded */
	protected $allowedFrameDomains = null;
	/** @var array Domains from which fonts can be loaded */
	protected $allowedFontDomains = null;
	/** @var array Domains from which web-workers and nested browsing content can load elements */
	protected $allowedChildSrcDomains = null;
	/** @var array Domains which can embed this Nextcloud instance */
	protected $allowedFrameAncestors = null;
	/** @var array Domains from which web-workers can be loaded */
	protected $allowedWorkerSrcDomains = null;

	/** @var array Locations to report violations to */
	protected $reportTo = null;

	/**
	 * Whether inline JavaScript snippets are allowed or forbidden
	 * @param bool $state
	 * @return $this
	 * @since 8.1.0
	 * @deprecated 10.0 CSP tokens are now used
	 */
	public function allowInlineScript($state = false) {
		$this->inlineScriptAllowed = $state;
		return $this;
	}

	/**
	 * Use the according JS nonce
	 *
	 * @param string $nonce
	 * @return $this
	 * @since 11.0.0
	 */
	public function useJsNonce($nonce) {
		$this->useJsNonce = $nonce;
		return $this;
	}

	/**
	 * Whether eval in JavaScript is allowed or forbidden
	 * @param bool $state
	 * @return $this
	 * @since 8.1.0
	 */
	public function allowEvalScript($state = true) {
		$this->evalScriptAllowed = $state;
		return $this;
	}

	/**
	 * Allows to execute JavaScript files from a specific domain. Use * to
	 * allow JavaScript from all domains.
	 * @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
	 * @return $this
	 * @since 8.1.0
	 */
	public function addAllowedScriptDomain($domain) {
		$this->allowedScriptDomains[] = $domain;
		return $this;
	}

	/**
	 * Remove the specified allowed script domain from the allowed domains.
	 *
	 * @param string $domain
	 * @return $this
	 * @since 8.1.0
	 */
	public function disallowScriptDomain($domain) {
		$this->allowedScriptDomains = array_diff($this->allowedScriptDomains, [$domain]);
		return $this;
	}

	/**
	 * Whether inline CSS snippets are allowed or forbidden
	 * @param bool $state
	 * @return $this
	 * @since 8.1.0
	 */
	public function allowInlineStyle($state = true) {
		$this->inlineStyleAllowed = $state;
		return $this;
	}

	/**
	 * Allows to execute CSS files from a specific domain. Use * to allow
	 * CSS from all domains.
	 * @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
	 * @return $this
	 * @since 8.1.0
	 */
	public function addAllowedStyleDomain($domain) {
		$this->allowedStyleDomains[] = $domain;
		return $this;
	}

	/**
	 * Remove the specified allowed style domain from the allowed domains.
	 *
	 * @param string $domain
	 * @return $this
	 * @since 8.1.0
	 */
	public function disallowStyleDomain($domain) {
		$this->allowedStyleDomains = array_diff($this->allowedStyleDomains, [$domain]);
		return $this;
	}

	/**
	 * Allows using fonts from a specific domain. Use * to allow
	 * fonts from all domains.
	 * @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
	 * @return $this
	 * @since 8.1.0
	 */
	public function addAllowedFontDomain($domain) {
		$this->allowedFontDomains[] = $domain;
		return $this;
	}

	/**
	 * Remove the specified allowed font domain from the allowed domains.
	 *
	 * @param string $domain
	 * @return $this
	 * @since 8.1.0
	 */
	public function disallowFontDomain($domain) {
		$this->allowedFontDomains = array_diff($this->allowedFontDomains, [$domain]);
		return $this;
	}

	/**
	 * Allows embedding images from a specific domain. Use * to allow
	 * images from all domains.
	 * @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
	 * @return $this
	 * @since 8.1.0
	 */
	public function addAllowedImageDomain($domain) {
		$this->allowedImageDomains[] = $domain;
		return $this;
	}

	/**
	 * Remove the specified allowed image domain from the allowed domains.
	 *
	 * @param string $domain
	 * @return $this
	 * @since 8.1.0
	 */
	public function disallowImageDomain($domain) {
		$this->allowedImageDomains = array_diff($this->allowedImageDomains, [$domain]);
		return $this;
	}

	/**
	 * To which remote domains the JS connect to.
	 * @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
	 * @return $this
	 * @since 8.1.0
	 */
	public function addAllowedConnectDomain($domain) {
		$this->allowedConnectDomains[] = $domain;
		return $this;
	}

	/**
	 * Remove the specified allowed connect domain from the allowed domains.
	 *
	 * @param string $domain
	 * @return $this
	 * @since 8.1.0
	 */
	public function disallowConnectDomain($domain) {
		$this->allowedConnectDomains = array_diff($this->allowedConnectDomains, [$domain]);
		return $this;
	}

	/**
	 * From which domains media elements can be embedded.
	 * @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
	 * @return $this
	 * @since 8.1.0
	 */
	public function addAllowedMediaDomain($domain) {
		$this->allowedMediaDomains[] = $domain;
		return $this;
	}

	/**
	 * Remove the specified allowed media domain from the allowed domains.
	 *
	 * @param string $domain
	 * @return $this
	 * @since 8.1.0
	 */
	public function disallowMediaDomain($domain) {
		$this->allowedMediaDomains = array_diff($this->allowedMediaDomains, [$domain]);
		return $this;
	}

	/**
	 * From which domains objects such as <object>, <embed> or <applet> are executed
	 * @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
	 * @return $this
	 * @since 8.1.0
	 */
	public function addAllowedObjectDomain($domain) {
		$this->allowedObjectDomains[] = $domain;
		return $this;
	}

	/**
	 * Remove the specified allowed object domain from the allowed domains.
	 *
	 * @param string $domain
	 * @return $this
	 * @since 8.1.0
	 */
	public function disallowObjectDomain($domain) {
		$this->allowedObjectDomains = array_diff($this->allowedObjectDomains, [$domain]);
		return $this;
	}

	/**
	 * Which domains can be embedded in an iframe
	 * @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
	 * @return $this
	 * @since 8.1.0
	 */
	public function addAllowedFrameDomain($domain) {
		$this->allowedFrameDomains[] = $domain;
		return $this;
	}

	/**
	 * Remove the specified allowed frame domain from the allowed domains.
	 *
	 * @param string $domain
	 * @return $this
	 * @since 8.1.0
	 */
	public function disallowFrameDomain($domain) {
		$this->allowedFrameDomains = array_diff($this->allowedFrameDomains, [$domain]);
		return $this;
	}

	/**
	 * Domains from which web-workers and nested browsing content can load elements
	 * @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
	 * @return $this
	 * @since 8.1.0
	 * @deprecated 15.0.0 use addAllowedWorkerSrcDomains or addAllowedFrameDomain
	 */
	public function addAllowedChildSrcDomain($domain) {
		$this->allowedChildSrcDomains[] = $domain;
		return $this;
	}

	/**
	 * Remove the specified allowed child src domain from the allowed domains.
	 *
	 * @param string $domain
	 * @return $this
	 * @since 8.1.0
	 * @deprecated 15.0.0 use the WorkerSrcDomains or FrameDomain
	 */
	public function disallowChildSrcDomain($domain) {
		$this->allowedChildSrcDomains = array_diff($this->allowedChildSrcDomains, [$domain]);
		return $this;
	}

	/**
	 * Domains which can embed an iFrame of the Nextcloud instance
	 *
	 * @param string $domain
	 * @return $this
	 * @since 13.0.0
	 */
	public function addAllowedFrameAncestorDomain($domain) {
		$this->allowedFrameAncestors[] = $domain;
		return $this;
	}

	/**
	 * Domains which can embed an iFrame of the Nextcloud instance
	 *
	 * @param string $domain
	 * @return $this
	 * @since 13.0.0
	 */
	public function disallowFrameAncestorDomain($domain) {
		$this->allowedFrameAncestors = array_diff($this->allowedFrameAncestors, [$domain]);
		return $this;
	}

	/**
	 * Domain from which workers can be loaded
	 *
	 * @param string $domain
	 * @return $this
	 * @since 15.0.0
	 */
	public function addAllowedWorkerSrcDomain(string $domain) {
		$this->allowedWorkerSrcDomains[] = $domain;
		return $this;
	}

	/**
	 * Remove domain from which workers can be loaded
	 *
	 * @param string $domain
	 * @return $this
	 * @since 15.0.0
	 */
	public function disallowWorkerSrcDomain(string $domain) {
		$this->allowedWorkerSrcDomains = array_diff($this->allowedWorkerSrcDomains, [$domain]);
		return $this;
	}

	/**
	 * Add location to report CSP violations to
	 *
	 * @param string $location
	 * @return $this
	 * @since 15.0.0
	 */
	public function addReportTo(string $location) {
		$this->reportTo[] = $location;
		return $this;
	}

	/**
	 * Get the generated Content-Security-Policy as a string
	 * @return string
	 * @since 8.1.0
	 */
	public function buildPolicy() {
		$policy = "default-src 'none';";
		$policy .= "base-uri 'none';";
		$policy .= "manifest-src 'self';";

		if(!empty($this->allowedScriptDomains) || $this->inlineScriptAllowed || $this->evalScriptAllowed) {
			$policy .= 'script-src ';
			if(is_string($this->useJsNonce)) {
				$policy .= '\'nonce-'.base64_encode($this->useJsNonce).'\'';
				$allowedScriptDomains = array_flip($this->allowedScriptDomains);
				unset($allowedScriptDomains['\'self\'']);
				$this->allowedScriptDomains = array_flip($allowedScriptDomains);
				if(count($allowedScriptDomains) !== 0) {
					$policy .= ' ';
				}
			}
			if(is_array($this->allowedScriptDomains)) {
				$policy .= implode(' ', $this->allowedScriptDomains);
			}
			if($this->inlineScriptAllowed) {
				$policy .= ' \'unsafe-inline\'';
			}
			if($this->evalScriptAllowed) {
				$policy .= ' \'unsafe-eval\'';
			}
			$policy .= ';';
		}

		if(!empty($this->allowedStyleDomains) || $this->inlineStyleAllowed) {
			$policy .= 'style-src ';
			if(is_array($this->allowedStyleDomains)) {
				$policy .= implode(' ', $this->allowedStyleDomains);
			}
			if($this->inlineStyleAllowed) {
				$policy .= ' \'unsafe-inline\'';
			}
			$policy .= ';';
		}

		if(!empty($this->allowedImageDomains)) {
			$policy .= 'img-src ' . implode(' ', $this->allowedImageDomains);
			$policy .= ';';
		}

		if(!empty($this->allowedFontDomains)) {
			$policy .= 'font-src ' . implode(' ', $this->allowedFontDomains);
			$policy .= ';';
		}

		if(!empty($this->allowedConnectDomains)) {
			$policy .= 'connect-src ' . implode(' ', $this->allowedConnectDomains);
			$policy .= ';';
		}

		if(!empty($this->allowedMediaDomains)) {
			$policy .= 'media-src ' . implode(' ', $this->allowedMediaDomains);
			$policy .= ';';
		}

		if(!empty($this->allowedObjectDomains)) {
			$policy .= 'object-src ' . implode(' ', $this->allowedObjectDomains);
			$policy .= ';';
		}

		if(!empty($this->allowedFrameDomains)) {
			$policy .= 'frame-src ' . implode(' ', $this->allowedFrameDomains);
			$policy .= ';';
		}

		if(!empty($this->allowedChildSrcDomains)) {
			$policy .= 'child-src ' . implode(' ', $this->allowedChildSrcDomains);
			$policy .= ';';
		}

		if(!empty($this->allowedFrameAncestors)) {
			$policy .= 'frame-ancestors ' . implode(' ', $this->allowedFrameAncestors);
			$policy .= ';';
		}

		if (!empty($this->allowedWorkerSrcDomains)) {
			$policy .= 'worker-src ' . implode(' ', $this->allowedWorkerSrcDomains);
			$policy .= ';';
		}

		if (!empty($this->reportTo)) {
			$policy .= 'report-uri ' . implode(' ', $this->reportTo);
			$policy .= ';';
		}

		return rtrim($policy, ';');
	}
}


1			<?php
2			/**
3			* @copyright Copyright (c) 2016, ownCloud, Inc.
4			*
5			* @author Lukas Reschke <[email protected]>
6			* @author Pierre Rudloff <[email protected]>
7			* @author Roeland Jago Douma <[email protected]>
8			* @author Thomas Citharel <[email protected]>
9			*
10			* @license AGPL-3.0
11			*
12			* This code is free software: you can redistribute it and/or modify
13			* it under the terms of the GNU Affero General Public License, version 3,
14			* as published by the Free Software Foundation.
15			*
16			* This program is distributed in the hope that it will be useful,
17			* but WITHOUT ANY WARRANTY; without even the implied warranty of
18			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19			* GNU Affero General Public License for more details.
20			*
21			* You should have received a copy of the GNU Affero General Public License, version 3,
22			* along with this program. If not, see <http://www.gnu.org/licenses/>
23			*
24			*/
25
26			namespace OCP\AppFramework\Http;
27
28			/**
29			* Class EmptyContentSecurityPolicy is a simple helper which allows applications
30			* to modify the Content-Security-Policy sent by ownCloud. Per default the policy
31			* is forbidding everything.
32			*
33			* As alternative with sane exemptions look at ContentSecurityPolicy
34			*
35			* @see \OCP\AppFramework\Http\ContentSecurityPolicy
36			* @package OCP\AppFramework\Http
37			* @since 9.0.0
38			*/
39			class EmptyContentSecurityPolicy {
40			/** @var bool Whether inline JS snippets are allowed */
41			protected $inlineScriptAllowed = null;
42			/** @var string Whether JS nonces should be used */
43			protected $useJsNonce = null;
44			/**
45			* @var bool Whether eval in JS scripts is allowed
46			* TODO: Disallow per default
47			* @link https://github.com/owncloud/core/issues/11925
48			*/
49			protected $evalScriptAllowed = null;
50			/** @var array Domains from which scripts can get loaded */
51			protected $allowedScriptDomains = null;
52			/**
53			* @var bool Whether inline CSS is allowed
54			* TODO: Disallow per default
55			* @link https://github.com/owncloud/core/issues/13458
56			*/
57			protected $inlineStyleAllowed = null;
58			/** @var array Domains from which CSS can get loaded */
59			protected $allowedStyleDomains = null;
60			/** @var array Domains from which images can get loaded */
61			protected $allowedImageDomains = null;
62			/** @var array Domains to which connections can be done */
63			protected $allowedConnectDomains = null;
64			/** @var array Domains from which media elements can be loaded */
65			protected $allowedMediaDomains = null;
66			/** @var array Domains from which object elements can be loaded */
67			protected $allowedObjectDomains = null;
68			/** @var array Domains from which iframes can be loaded */
69			protected $allowedFrameDomains = null;
70			/** @var array Domains from which fonts can be loaded */
71			protected $allowedFontDomains = null;
72			/** @var array Domains from which web-workers and nested browsing content can load elements */
73			protected $allowedChildSrcDomains = null;
74			/** @var array Domains which can embed this Nextcloud instance */
75			protected $allowedFrameAncestors = null;
76			/** @var array Domains from which web-workers can be loaded */
77			protected $allowedWorkerSrcDomains = null;
78
79			/** @var array Locations to report violations to */
80			protected $reportTo = null;
81
82			/**
83			* Whether inline JavaScript snippets are allowed or forbidden
84			* @param bool $state
85			* @return $this
86			* @since 8.1.0
87			* @deprecated 10.0 CSP tokens are now used
88			*/
89			public function allowInlineScript($state = false) {
90			$this->inlineScriptAllowed = $state;
91			return $this;
92			}
93
94			/**
95			* Use the according JS nonce
96			*
97			* @param string $nonce
98			* @return $this
99			* @since 11.0.0
100			*/
101			public function useJsNonce($nonce) {
102			$this->useJsNonce = $nonce;
103			return $this;
104			}
105
106			/**
107			* Whether eval in JavaScript is allowed or forbidden
108			* @param bool $state
109			* @return $this
110			* @since 8.1.0
111			*/
112			public function allowEvalScript($state = true) {
113			$this->evalScriptAllowed = $state;
114			return $this;
115			}
116
117			/**
118			* Allows to execute JavaScript files from a specific domain. Use * to
119			* allow JavaScript from all domains.
120			* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
121			* @return $this
122			* @since 8.1.0
123			*/
124			public function addAllowedScriptDomain($domain) {
125			$this->allowedScriptDomains[] = $domain;
126			return $this;
127			}
128
129			/**
130			* Remove the specified allowed script domain from the allowed domains.
131			*
132			* @param string $domain
133			* @return $this
134			* @since 8.1.0
135			*/
136			public function disallowScriptDomain($domain) {
137			$this->allowedScriptDomains = array_diff($this->allowedScriptDomains, [$domain]);
138			return $this;
139			}
140
141			/**
142			* Whether inline CSS snippets are allowed or forbidden
143			* @param bool $state
144			* @return $this
145			* @since 8.1.0
146			*/
147			public function allowInlineStyle($state = true) {
148			$this->inlineStyleAllowed = $state;
149			return $this;
150			}
151
152			/**
153			* Allows to execute CSS files from a specific domain. Use * to allow
154			* CSS from all domains.
155			* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
156			* @return $this
157			* @since 8.1.0
158			*/
159			public function addAllowedStyleDomain($domain) {
160			$this->allowedStyleDomains[] = $domain;
161			return $this;
162			}
163
164			/**
165			* Remove the specified allowed style domain from the allowed domains.
166			*
167			* @param string $domain
168			* @return $this
169			* @since 8.1.0
170			*/
171			public function disallowStyleDomain($domain) {
172			$this->allowedStyleDomains = array_diff($this->allowedStyleDomains, [$domain]);
173			return $this;
174			}
175
176			/**
177			* Allows using fonts from a specific domain. Use * to allow
178			* fonts from all domains.
179			* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
180			* @return $this
181			* @since 8.1.0
182			*/
183			public function addAllowedFontDomain($domain) {
184			$this->allowedFontDomains[] = $domain;
185			return $this;
186			}
187
188			/**
189			* Remove the specified allowed font domain from the allowed domains.
190			*
191			* @param string $domain
192			* @return $this
193			* @since 8.1.0
194			*/
195			public function disallowFontDomain($domain) {
196			$this->allowedFontDomains = array_diff($this->allowedFontDomains, [$domain]);
197			return $this;
198			}
199
200			/**
201			* Allows embedding images from a specific domain. Use * to allow
202			* images from all domains.
203			* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
204			* @return $this
205			* @since 8.1.0
206			*/
207			public function addAllowedImageDomain($domain) {
208			$this->allowedImageDomains[] = $domain;
209			return $this;
210			}
211
212			/**
213			* Remove the specified allowed image domain from the allowed domains.
214			*
215			* @param string $domain
216			* @return $this
217			* @since 8.1.0
218			*/
219			public function disallowImageDomain($domain) {
220			$this->allowedImageDomains = array_diff($this->allowedImageDomains, [$domain]);
221			return $this;
222			}
223
224			/**
225			* To which remote domains the JS connect to.
226			* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
227			* @return $this
228			* @since 8.1.0
229			*/
230			public function addAllowedConnectDomain($domain) {
231			$this->allowedConnectDomains[] = $domain;
232			return $this;
233			}
234
235			/**
236			* Remove the specified allowed connect domain from the allowed domains.
237			*
238			* @param string $domain
239			* @return $this
240			* @since 8.1.0
241			*/
242			public function disallowConnectDomain($domain) {
243			$this->allowedConnectDomains = array_diff($this->allowedConnectDomains, [$domain]);
244			return $this;
245			}
246
247			/**
248			* From which domains media elements can be embedded.
249			* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
250			* @return $this
251			* @since 8.1.0
252			*/
253			public function addAllowedMediaDomain($domain) {
254			$this->allowedMediaDomains[] = $domain;
255			return $this;
256			}
257
258			/**
259			* Remove the specified allowed media domain from the allowed domains.
260			*
261			* @param string $domain
262			* @return $this
263			* @since 8.1.0
264			*/
265			public function disallowMediaDomain($domain) {
266			$this->allowedMediaDomains = array_diff($this->allowedMediaDomains, [$domain]);
267			return $this;
268			}
269
270			/**
271			* From which domains objects such as <object>, <embed> or <applet> are executed
272			* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
273			* @return $this
274			* @since 8.1.0
275			*/
276			public function addAllowedObjectDomain($domain) {
277			$this->allowedObjectDomains[] = $domain;
278			return $this;
279			}
280
281			/**
282			* Remove the specified allowed object domain from the allowed domains.
283			*
284			* @param string $domain
285			* @return $this
286			* @since 8.1.0
287			*/
288			public function disallowObjectDomain($domain) {
289			$this->allowedObjectDomains = array_diff($this->allowedObjectDomains, [$domain]);
290			return $this;
291			}
292
293			/**
294			* Which domains can be embedded in an iframe
295			* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
296			* @return $this
297			* @since 8.1.0
298			*/
299			public function addAllowedFrameDomain($domain) {
300			$this->allowedFrameDomains[] = $domain;
301			return $this;
302			}
303
304			/**
305			* Remove the specified allowed frame domain from the allowed domains.
306			*
307			* @param string $domain
308			* @return $this
309			* @since 8.1.0
310			*/
311			public function disallowFrameDomain($domain) {
312			$this->allowedFrameDomains = array_diff($this->allowedFrameDomains, [$domain]);
313			return $this;
314			}
315
316			/**
317			* Domains from which web-workers and nested browsing content can load elements
318			* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized.
319			* @return $this
320			* @since 8.1.0
321			* @deprecated 15.0.0 use addAllowedWorkerSrcDomains or addAllowedFrameDomain
322			*/
323			public function addAllowedChildSrcDomain($domain) {
324			$this->allowedChildSrcDomains[] = $domain;
325			return $this;
326			}
327
328			/**
329			* Remove the specified allowed child src domain from the allowed domains.
330			*
331			* @param string $domain
332			* @return $this
333			* @since 8.1.0
334			* @deprecated 15.0.0 use the WorkerSrcDomains or FrameDomain
335			*/
336			public function disallowChildSrcDomain($domain) {
337			$this->allowedChildSrcDomains = array_diff($this->allowedChildSrcDomains, [$domain]);
338			return $this;
339			}
340
341			/**
342			* Domains which can embed an iFrame of the Nextcloud instance
343			*
344			* @param string $domain
345			* @return $this
346			* @since 13.0.0
347			*/
348			public function addAllowedFrameAncestorDomain($domain) {
349			$this->allowedFrameAncestors[] = $domain;
350			return $this;
351			}
352
353			/**
354			* Domains which can embed an iFrame of the Nextcloud instance
355			*
356			* @param string $domain
357			* @return $this
358			* @since 13.0.0
359			*/
360			public function disallowFrameAncestorDomain($domain) {
361			$this->allowedFrameAncestors = array_diff($this->allowedFrameAncestors, [$domain]);
362			return $this;
363			}
364
365			/**
366			* Domain from which workers can be loaded
367			*
368			* @param string $domain
369			* @return $this
370			* @since 15.0.0
371			*/
372			public function addAllowedWorkerSrcDomain(string $domain) {
373			$this->allowedWorkerSrcDomains[] = $domain;
374			return $this;
375			}
376
377			/**
378			* Remove domain from which workers can be loaded
379			*
380			* @param string $domain
381			* @return $this
382			* @since 15.0.0
383			*/
384			public function disallowWorkerSrcDomain(string $domain) {
385			$this->allowedWorkerSrcDomains = array_diff($this->allowedWorkerSrcDomains, [$domain]);
386			return $this;
387			}
388
389			/**
390			* Add location to report CSP violations to
391			*
392			* @param string $location
393			* @return $this
394			* @since 15.0.0
395			*/
396			public function addReportTo(string $location) {
397			$this->reportTo[] = $location;
398			return $this;
399			}
400
401			/**
402			* Get the generated Content-Security-Policy as a string
403			* @return string
404			* @since 8.1.0
405			*/
406			public function buildPolicy() {
407			$policy = "default-src 'none';";
408			$policy .= "base-uri 'none';";
409			$policy .= "manifest-src 'self';";
410
411			if(!empty($this->allowedScriptDomains) \|\| $this->inlineScriptAllowed \|\| $this->evalScriptAllowed) {
412			$policy .= 'script-src ';
413			if(is_string($this->useJsNonce)) {
414			$policy .= '\'nonce-'.base64_encode($this->useJsNonce).'\'';
415			$allowedScriptDomains = array_flip($this->allowedScriptDomains);
416			unset($allowedScriptDomains['\'self\'']);
417			$this->allowedScriptDomains = array_flip($allowedScriptDomains);
418			if(count($allowedScriptDomains) !== 0) {
419			$policy .= ' ';
420			}
421			}
422			if(is_array($this->allowedScriptDomains)) {
423			$policy .= implode(' ', $this->allowedScriptDomains);
424			}
425			if($this->inlineScriptAllowed) {
426			$policy .= ' \'unsafe-inline\'';
427			}
428			if($this->evalScriptAllowed) {
429			$policy .= ' \'unsafe-eval\'';
430			}
431			$policy .= ';';
432			}
433
434			if(!empty($this->allowedStyleDomains) \|\| $this->inlineStyleAllowed) {
435			$policy .= 'style-src ';
436			if(is_array($this->allowedStyleDomains)) {
437			$policy .= implode(' ', $this->allowedStyleDomains);
438			}
439			if($this->inlineStyleAllowed) {
440			$policy .= ' \'unsafe-inline\'';
441			}
442			$policy .= ';';
443			}
444
445			if(!empty($this->allowedImageDomains)) {
446			$policy .= 'img-src ' . implode(' ', $this->allowedImageDomains);
447			$policy .= ';';
448			}
449
450			if(!empty($this->allowedFontDomains)) {
451			$policy .= 'font-src ' . implode(' ', $this->allowedFontDomains);
452			$policy .= ';';
453			}
454
455			if(!empty($this->allowedConnectDomains)) {
456			$policy .= 'connect-src ' . implode(' ', $this->allowedConnectDomains);
457			$policy .= ';';
458			}
459
460			if(!empty($this->allowedMediaDomains)) {
461			$policy .= 'media-src ' . implode(' ', $this->allowedMediaDomains);
462			$policy .= ';';
463			}
464
465			if(!empty($this->allowedObjectDomains)) {
466			$policy .= 'object-src ' . implode(' ', $this->allowedObjectDomains);
467			$policy .= ';';
468			}
469
470			if(!empty($this->allowedFrameDomains)) {
471			$policy .= 'frame-src ' . implode(' ', $this->allowedFrameDomains);
472			$policy .= ';';
473			}
474
475			if(!empty($this->allowedChildSrcDomains)) {
476			$policy .= 'child-src ' . implode(' ', $this->allowedChildSrcDomains);
477			$policy .= ';';
478			}
479
480			if(!empty($this->allowedFrameAncestors)) {
481			$policy .= 'frame-ancestors ' . implode(' ', $this->allowedFrameAncestors);
482			$policy .= ';';
483			}
484
485			if (!empty($this->allowedWorkerSrcDomains)) {
486			$policy .= 'worker-src ' . implode(' ', $this->allowedWorkerSrcDomains);
487			$policy .= ';';
488			}
489
490			if (!empty($this->reportTo)) {
491			$policy .= 'report-uri ' . implode(' ', $this->reportTo);
492			$policy .= ';';
493			}
494
495			return rtrim($policy, ';');
496			}
497			}
498

nextcloud / server

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EmptyContentSecurityPolicy::addReportTo() A

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